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SEVENTIETH CONGRESS . SEss. I. Cu. 57. 1928 . services in the District of Columbia and in the field, $47,000, of which amount not to exceed $21,500 may be expended for personal services in the District of Columbia . Me chan ical ap . Standardizing mechanical appliances : To develop methods of test- pliances .
ing and standardizing machines, motors, tools, measuring instruments, Testing mechanical, and other apparatus and devices used in mechanical, hydraulic, and hydraul ic, and aero- nautic devices, etc . aeronautic engineering ; for the comparative study of types of appa- ratus and methods of operation, and for the establishment of standards of performance ; for the accurate determination of funda- mental physical constants involved in the proper execution of this work ; and for the scientific experiments and investigations needed in solving the problems which may arise in connection therewith, especially in response to the requirements of aeronautics and aviation for information of a purely scientific nature, including personal services in the District of Columbia and in the field, $27,800, of which amount not to exceed $25,580 may be expended for personal services in the District of Columbia . Opt ical glass pro- Investigation of optical and other types of glass : For the investi- duction problems.
gation of the problems involved in the production of optical and other types of glass, including personal services in the District of Columbi a and in the field, $25,520 , of which am ount not to ex ceed $22,000 may be expended for personal services in the District of Columbia . Textiles, paper, etc .,
Investigation of textiles : To investigate textiles, paper, leather, and standardization . rubber in order to develop standards of quality and methods of measurement, including personal services in the District of Columbia and in the field, $50,700, of which amount not to exceed $43,240 may be expended for personal services in the District of Columbia . Sugar standardiza- Sugar standardization : For the standardization and design of tion. sugar-testing apparatus ; the development of technical specifications for the various grades of sugars, especially involving the standardiza- tion and manufacture of sugars ; for the study of the technical problems incidental to the collection of the revenue on sugar and to determine the fundamental scientific constants of sugars and other ty RRre and unusual substances ; for the standardization and production of rare and unusual types of sugars required for the medical service of the Government departments ; and for other technical and scientific purposes, including personal services in the District of Columbia and in the fiel d, $53,160, of which amount not to exceed $48,670 Gaug es and screw may be expended for personal services in the District of Columbia . threads .
Gauge standardization : To provide by cooperation of the Bureau Cooperati ve stand . ardi zatio n of, etc . of S tandar ds, th e War Depar tment, and t he Na vy Dep artmen t for the standardization and testing of the standard gauges, screw threads, and standa rds re quire d in m anufac turing thro ughout the United States, and to calibrate and test such standard gauges, screw threads, and standards, including necessary equipment and personal services in the District of Columbia and in the field, $38,320, of which amount no t to e xc ee d $36,180 may be expen ded for perso nal services in the Coal weighing, etc ., District of Columbia . at mines . I nves tiga tion of mine sca les and cars : For investigating the con- ditions and methods of use of scales and mine cars used for weighing and measuring coal dug by miners, for the purpose of determining wages due, and of conditions affecting the accuracy of the weighing or measuring of coal at the mines, including personal services in the District of Columbia and in the field, $12,800, of which amount not to exceed $9,600 may be expended for personal services in the District Met all ur gic al re- of Columbia . sea rch . Metallurgical research : For metallurgical research, including alloy steels, foundry practice, and standards for metals and sands ; casting, rolling, forging, and the properties of aluminum alloys ; prevention
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